221465265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 418209792

約数和(自身を除く): 196744527

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 181, 215, 271, 301, 543, 645, 813, 903, 905, 1267, 1355, 1505, 1897, 2715, 3801, 4065, 4515, 5691, 6335, 7783, 9485, 11653, 19005, 23349, 28455, 34959, 38915, 49051, 54481, 58265, 81571, 116745, 147153, 163443, 174795, 244713, 245255, 272405, 343357, 407855, 735765, 817215, 1030071, 1223565, 1716785, 2109193, 5150355, 6327579, 10545965, 14764351, 31637895, 44293053, 73821755, 221465265]

約数ペア:

[(1, 221465265), (3, 73821755), (5, 44293053), (7, 31637895), (15, 14764351), (21, 10545965), (35, 6327579), (43, 5150355), (105, 2109193), (129, 1716785), (181, 1223565), (215, 1030071), (271, 817215), (301, 735765), (543, 407855), (645, 343357), (813, 272405), (903, 245255), (905, 244713), (1267, 174795), (1355, 163443), (1505, 147153), (1897, 116745), (2715, 81571), (3801, 58265), (4065, 54481), (4515, 49051), (5691, 38915), (6335, 34959), (7783, 28455), (9485, 23349), (11653, 19005)]